CVE-2018-15120
CVE-2018-15120 is a medium-severity vulnerability in Gnome Pango with a CVSS 3.x base score of 6.5. Its EPSS exploit-prediction score of 11% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 11% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Gnome Pango
- Published:
- Last modified:
Description
libpango in Pango 1.40.8 through 1.42.3, as used in hexchat and other products, allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via crafted text with invalid Unicode sequences.
Frequently asked questions
- What is CVE-2018-15120?
- libpango in Pango 1.40.8 through 1.42.3, as used in hexchat and other products, allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via crafted text with invalid Unicode sequences.
- How severe is CVE-2018-15120?
- CVE-2018-15120 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-15120 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-15120?
- CVE-2018-15120 primarily affects Gnome Pango. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-15120?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-15120 published?
- CVE-2018-15120 was published on 2018-08-24 and last updated on 2026-06-17.
References
- http://52.117.224.77/xfce4-pdos.webm
- https://github.com/GNOME/pango/blob/1.42.4/NEWS
- https://github.com/GNOME/pango/commit/71aaeaf020340412b8d012fe23a556c0420eda5f
- https://i.redd.it/v7p4n2ptu0s11.jpg
- https://mail.gnome.org/archives/distributor-list/2018-August/msg00001.html
- https://security.gentoo.org/glsa/201811-07
- https://usn.ubuntu.com/3750-1/
- https://www.exploit-db.com/exploits/45263
- https://www.exploit-db.com/exploits/45263/
- https://www.ign.com/articles/2018/10/16/ps4s-are-reportedly-being-bricked-and-sony-is-working-on-a-fix
- https://www.reddit.com/r/PS4/comments/9o5efg/message_bricking_console_megathread/
Affected products (2)
- cpe:2.3:a:gnome:pango:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
More vulnerabilities in Gnome Pango
- CVE-2019-1010238 — Critical (CVSS 9.8): Gnome Pango 1.42 and later is affected by: Buffer Overflow. The impact is: The heap based buffer overflow can be used…
- CVE-2011-3193 — Critical (CVSS 9.3): Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt…
- CVE-2011-0020 — High (CVSS 7.6): Heap-based buffer overflow in the pango_ft2_font_render_box_glyph function in pango/pangoft2-render.c in libpango in…
- CVE-2011-0064 — Medium (CVSS 6.8): The hb_buffer_ensure function in hb-buffer.c in HarfBuzz, as used in Pango 1.28.3, Firefox, and other products, does…
- CVE-2010-0421 — Medium (CVSS 4.3): Array index error in the hb_ot_layout_build_glyph_classes function in pango/opentype/hb-ot-layout.cc in Pango before…
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- CVE-2026-75784 — Critical (CVSS 10.0): A vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of…
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