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CVE-2009-0757

21
FAUCET Score

CVE-2009-0757 describes multiple buffer overflow vulnerabilities in GNU MPFR 2.4.0, specifically within the mpfr_snprintf and mpfr_vsnprintf functions. This flaw allows unauthenticated, remote attackers to trigger a denial of service (crash) due to the affected software's inability to properly handle oversized input. With a CVSS score of 7.5, this vulnerability is considered highly severe, indicating easy exploitation and potential for significant impact on system availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.4.0CPE matchmatch criteria
cpe:2.3:a:mpfr:gnu_mpfr:2.4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.55%
Probability of exploitation in next 30 days
EPSS Percentile
72.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0155 is in the 54th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2009-0757Moderate

mpfr: multiple buffer overflows lead to DoS

Feb 25, 2009

References

mpfr.loria.fr / mpfr-2.4.1
PatchVendor Advisory
secunia.com / advisories/34204
secunia.com / advisories/35028
openwall.com / lists/oss-security/2009/03/02/4
Patch
securityfocus.com / bid/33945
ubuntu.com / usn/USN-772-1