CVE-2009-4880

CVE-2009-4880 is a medium-severity vulnerability in Gnu Glibc with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-189.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 11% (95th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Gnu Glibc
• Published: 2010-06-01
• Last modified: 2026-06-16

Description

Multiple integer overflows in the strfmon implementation in the GNU C Library (aka glibc or libc6) 2.10.1 and earlier allow context-dependent attackers to cause a denial of service (memory consumption or application crash) via a crafted format string, as demonstrated by a crafted first argument to the money_format function in PHP, a related issue to CVE-2008-1391.

Frequently asked questions

What is CVE-2009-4880?

Multiple integer overflows in the strfmon implementation in the GNU C Library (aka glibc or libc6) 2.10.1 and earlier allow context-dependent attackers to cause a denial of service (memory consumption or application crash) via a crafted format string, as demonstrated by a crafted first argument to the money_format function in PHP, a related issue to CVE-2008-1391.

How severe is CVE-2009-4880?

CVE-2009-4880 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-4880 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4880?

CVE-2009-4880 primarily affects Gnu Glibc. In total, 37 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4880?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-4880 published?

CVE-2009-4880 was published on 2010-06-01 and last updated on 2026-06-16.

References

• http://secunia.com/advisories/39900
• http://security.gentoo.org/glsa/glsa-201011-01.xml
• http://securityreason.com/achievement_securityalert/67
• http://sources.redhat.com/bugzilla/show_bug.cgi?id=10600
• http://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=199eb0de8d673fb23aa127721054b4f1803d61f3
• http://www.debian.org/security/2010/dsa-2058
• http://www.mandriva.com/security/advisories?name=MDVSA-2010:111
• http://www.mandriva.com/security/advisories?name=MDVSA-2010:112
• http://www.securityfocus.com/bid/36443
• http://www.ubuntu.com/usn/USN-944-1
• http://www.vupen.com/english/advisories/2010/1246
• https://bugzilla.redhat.com/show_bug.cgi?id=524671
• https://exchange.xforce.ibmcloud.com/vulnerabilities/59242

Affected products (37)

• cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1.3:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.1.9:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.5:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.3.10:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.4:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.5:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.6:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.7:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.8:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.9:*:*:*:*:*:*:*
• cpe:2.3:a:gnu:glibc:2.10:*:*:*:*:*:*:*

More vulnerabilities in Gnu Glibc

• CVE-2015-0235 — Critical (CVSS 10.0): Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and other 2.x versions before 2.18,…
• CVE-2026-5450 — Critical (CVSS 9.8): Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version…
• CVE-2023-25139 — Critical (CVSS 9.8): sprintf in the GNU C Library (glibc) 2.37 has a buffer overflow (out-of-bounds write) in some situations with a correct…
• CVE-2022-23219 — Critical (CVSS 9.8): The deprecated compatibility function clnt_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34…
• CVE-2022-23218 — Critical (CVSS 9.8): The deprecated compatibility function svcunix_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34…
• CVE-2021-33574 — Critical (CVSS 9.8): The mq_notify function in the GNU C Library (aka glibc) versions 2.32 and 2.33 has a use-after-free. It may use the…

All CVEs affecting Gnu Glibc →

Other CWE-189 (Numeric Errors) vulnerabilities

• CVE-2015-8396 — Critical (CVSS 10.0): Integer overflow in the ImageRegionReader::ReadIntoBuffer function in…
• CVE-2015-7205 — Critical (CVSS 10.0): Integer underflow in the RTPReceiverVideo::ParseRtpPacket function in Mozilla Firefox before 43.0 and Firefox ESR 38.x…
• CVE-2015-6575 — Critical (CVSS 10.0): SampleTable.cpp in libstagefright in Android before 5.1.1 LMY48I does not properly consider integer promotion, which…
• CVE-2015-3864 — Critical (CVSS 10.0): Integer underflow in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in mediaserver in…
• CVE-2015-3836 — Critical (CVSS 10.0): The Parse_wave function in arm-wt-22k/lib_src/eas_mdls.c in the Sonivox DLS-to-EAS converter in Android before 5.1.1…
• CVE-2015-3834 — Critical (CVSS 10.0): Multiple integer overflows in the BnHDCP::onTransact function in media/libmedia/IHDCP.cpp in libstagefright in Android…

Browse all CWE-189 (Numeric Errors) vulnerabilities →