How severe is CVE-2021-44957?

CVE-2021-44957 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-2021-44957 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44957?

CVE-2021-44957 affects Rockcarry Ffjpeg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44957?

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

When was CVE-2021-44957 published?

CVE-2021-44957 was published on 2022-02-08 and last updated on 2026-06-17.

CVE-2021-44957

CVE-2021-44957 is a medium-severity vulnerability in Rockcarry Ffjpeg with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Rockcarry Ffjpeg
Published: 2022-02-08
Last modified: 2026-06-17

Description

Global buffer overflow vulnerability exist in ffjpeg through 01.01.2021. It is similar to CVE-2020-23705. Issue is in the jfif_encode function at ffjpeg/src/jfif.c (line 708) could cause a Denial of Service by using a crafted jpeg file.

Frequently asked questions

What is CVE-2021-44957?: Global buffer overflow vulnerability exist in ffjpeg through 01.01.2021. It is similar to CVE-2020-23705. Issue is in the jfif_encode function at ffjpeg/src/jfif.c (line 708) could cause a Denial of Service by using a crafted jpeg file.
How severe is CVE-2021-44957?: CVE-2021-44957 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-2021-44957 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44957?: CVE-2021-44957 affects Rockcarry Ffjpeg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44957?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-44957 published?: CVE-2021-44957 was published on 2022-02-08 and last updated on 2026-06-17.

References

https://github.com/rockcarry/ffjpeg/issues/44

Affected products (1)

cpe:2.3:a:rockcarry:ffjpeg:*:*:*:*:*:*:*:*

More vulnerabilities in Rockcarry Ffjpeg

CVE-2020-24222 — High (CVSS 7.8): Buffer Overflow vulnerability in jfif_decode() function in rockcarry ffjpeg through version 1.0.0, allows local…
CVE-2022-28471 — Medium (CVSS 6.5): In ffjpeg (commit hash: caade60), the function bmp_load() in bmp.c contains an integer overflow vulnerability, which…
CVE-2021-45385 — Medium (CVSS 6.5): A Null Pointer Dereference vulnerability exits in ffjpeg d5cfd49 (2021-12-06) in bmp_load(). When the size information…
CVE-2021-44956 — Medium (CVSS 6.5): Two Heap based buffer overflow vulnerabilities exist in ffjpeg through 01.01.2021. It is similar to CVE-2020-23852.…
CVE-2020-23705 — Medium (CVSS 6.5): A global buffer overflow vulnerability in jfif_encode at jfif.c:701 of ffjpeg through 2020-06-22 allows attackers to…
CVE-2020-13440 — Medium (CVSS 6.5): ffjpeg through 2020-02-24 has an invalid write in bmp_load in bmp.c.

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